lesson 7- food security strategies

Question 1

define food security

Answer 1

fs= access to affordable and nutritious supplies of food
steps can be taken to ensure this e.g. improving food production, reducing waste etc

Question 2

what is irrigation? how does this benefit crops?

Answer 2

irrigation is the application of soil/water to plants, increases crop yields between 100-400%

Question 3

what was the green revolution?

Answer 3

introduced in the 1960s- scheme to improve traditional framing systems through new food technology for LICs
BUT this didn’t work everywhere- not all tech suits all climates

Question 4

what is the new green revolution?

Answer 4

introduced in the 2000s, transfer of seeds that grow in droughts and salty conditions to suit more climates (achieved through biotechnology)
BUT success has been uneven due to debate about GM crops

Question 5

what is aquaculture and sustainable fishing? whats a positive/negative?

Answer 5

aquaculture= farming of the sea-> can harm natural ecosystems through water pollution
aeroponics + hydroponics= expensive but alternative if soil is poor/no soil

Question 6

what is urban farming?

Answer 6

urban farming= growing food in and around cities, and in urban plots
15% more produce than traditional farming

Question 7

food security in niger (3ns) case study:

Answer 7

• problems they face= seasonal rains, conflict, desert-> farming is difficult esp d2 hot dry seasons
• 2012 3ns- Nigerians nourish Nigerians, use of improved seed varies, better irrigation->
  food insecurity decreased, Niger’s GDP increased by 3% in 1 year